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Explosives and Explosive Ordnance Disposal
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人们发现、氨生产过程中释放的二氧化碳一部分是来自提供热量的气体燃烧、另一部分来自于提供氨合成气所需的原料气的制备过程中
CO₂ emissions from ammonia production are found both in the combustion of a proportion of the gas to provide process heat and from the reforming of the feedstock gas to provide ammonia synthesis gas
冲击波压力损失与炸药的爆炸压力有关、可以通过计算炸药的密度和爆速来估算。因此、炸药的冲击波压力损失的测定可以通过实验引人一些诸如温度、静态和动态预压及导爆索支线等变量来确定
The shock pressure loss is related to the explosive's detonation prepressure, which can be estimated by knowing the density and detonation velocity of the explosive. Therefore, the SLF for a test explosive can be experimentally determined by introducing in the test certain additional variables, such as temperature,static and dynamic pre-compression and detonating cord downline
在过去的几十年里、人们对飞石现象进行了大量的实验研究和理论研究
Much experimental and theoretical work about flyrock phenomena has been performed in the past decades
家人仅靠父亲挣来的微薄的工资过活
All the family members depend only on the meager salary earned by the father for a living
很多实地操作人员把这种求导岩石系数的方法广泛应用于爆破剂破岩研究之中、并证明应用这种方法可以合理地估算所需的爆破强度以及诸多爆破环境下岩石的最终平均过筛粒度
This approach to the derivation of rock factors has been used by many field operators in a wide range of blasting and fragmentation studies and has been shown to lead to a reasonable estimate of the required blasting intensity and the resulting mean passing size in a wide range of blasting environments
有人证明使用这种破碎带模型、遇到各种岩石和爆破环境时、能可靠地估算过筛直径为1mm 碎岩的比例
The crushed zone model has been shown to provide a realistic estimate of the proportion of fragments passing 1 mm for a wide variety of materials and blasting situations
爆破人员在采矿及建筑拆除爆破过程中所面临的一个最大难题、是准确算岀爆破安全区的范围
One of the greatest challenges, which a blaster faces in mining and contruction blasting, is to accurately determine the bounds of the blast safety area
过去的十年、为了让二氧化碳
在大气中
的含量稳定在550 * 10⁻⁶、有人呼吁采取极端的行动
Calls for drastic action have bee made within the last decade in order to achieve stabilization of CO₂ levels at around 550 ppm
twice the preindustrial era levels
。
近来、人们把研究的重点大多放在破碎曲线的细端、以探索爆破的潜力、因为爆破的结果会影响到含金属矿石随后的粉碎和加工制造过程
More recent focus has been provided on the finer end of the fragmentation curve to explore the potential of blasting to influence the subsequent crushing and nulling performance of metalliferous ores
这些令人振奋的爆破业绩是通过炸药供应商、矿业集团、研究组织和政府部门之间的合作取得的
These encouraging blasting results have come about through cooperation between explosives suppliers, mining groups, research organizations and government departments over more than twenty years
高
过人
头的炮孔
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